State + NAICS + PSC page

NAICS 541512 and PSC H361 contractors in Illinois

Computer Systems Design Services. INSPECTION- ELECTRIC WIRE AND POWER DISTRIBUTION EQUIPMENT. Use this deeper state cross-code page to see which visible contractors sit in the overlap between these two lanes inside Illinois.

Illinois · NAICS 541512 · PSC H361

Last updated: April 3, 2026

Visible recipients

Mapped obligations

$251,230,408

Buyer overlap

Top recipients

Visible recipients in the Illinois overlap of NAICS 541512 and PSC H361

Exp Federal Inc.

Chicago, IL

Exp Federal Inc. is a federal category business profile based in Chicago, IL. The current public data layer shows $33,712,210 in visible federal obligations across 62 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541512 (Computer Systems Design Services). The profile also shows meaningful product and service activity in PSC N059.

$251,230,408